//C07:7.3:cypher2.c
#include <stdio.h>
#include <ctype.h>

int main(void)
{
    char ch;

    while ((ch = getchar()) != '\n')
    {
        if(isalpha(ch))
        {
            putchar(ch + 1);
        }
        else
        {
            putchar(ch);
        }
    }

    putchar(ch);
}